Specifications

Dantax DVD1500
Open the cd tray, Type 9999x, where x is the region. Close the cd tray.
Dantax DVD450
Eject disc, Press 7 7 select on remote. This will bring up a secret menu.
You can choose the region (13 all region). You can disable macrovision.
Denver DVD-122
Open the DVD door by pressing the 'open' button on the remote. Press 33080
with the number pad on the remote. Press PLAY on the remote, and the DVD door
will close.
Denver DVD-311
Power on the unit and open the DVD door by pressing the "OPEN" button on the
front panel - Press SETUP - Use the Remote Control to enter the following
numbers 3,3,0,8,8 - U will see in the top left of the screen "****" appear
- Key in a number corresponding to the Region you desire your player to be set
to, use 0 for Region free.
Denver DVD-321
Same as above
Denver JVD200
Same as above
Diamond 101
Open tray, Press 9999 on remote, Press OK, Press 9 = All code, 4 = Zone 4, 3 =
Zone 3.
Diamond DVD-201D
Open tray drawer, Press 2918, Press ENTER (a manual will appear on the screen)
Use up and down buttons to choose the region code, press ENTER (13 and ENTER
for multizone), Press set-up.
DiViDo
Press (on remote): open - set-up - 9 - 4 - 0 - 1 - 0 - step - shuffle - next
Turn on and off and all regions are supported.
Dual 7000 MP